The PSA1825AF-LF from Z-COMM is a Frequency Synthesizer with Frequency 1.625 to 2.025 GHz, Step Size 1000 KHz, Reference Frequency 10 MHz, Output Power -3 to 4 dBm, Spurious -77 dBc. Tags: Surface Mount, PLL Frequency Synthesizer. More details for PSA1825AF-LF can be seen below.